Sperm motility and morphology assessment is still fundamental in routine work at Al stations to discriminate ejaculates/boars which do not fulfill the minimum requirements, established by the different Al organisations. Considering that large numbersof ejaculates must be collected and processed within limited time, the main problem at a modern Al centre is the short time available between the collection of an ejaculate and the decision whether to use it for extension or eliminate it depending upon its quality or quantity.
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